EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 05/18/2026 14:20:14 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 18Z,   0.40,  -4.60,  -5.28,  99.90,  -1.08,
05/16 19Z,   0.40,  -1.68,  -2.43,  99.90,  -1.15,
05/16 20Z,   0.40,   1.08,   0.42,  99.90,  -1.06,
05/16 21Z,   0.40,   3.04,   2.26,  99.90,  -1.18,
05/16 22Z,   0.50,   3.80,   2.95,  99.90,  -1.35,  (max)
05/16 23Z,   0.50,   3.34,   2.65,  99.90,  -1.19,
05/17 00Z,   0.50,   1.89,   1.43,  99.90,  -0.96,
05/17 01Z,   0.50,  -0.12,  -0.73,  99.90,  -1.11,
05/17 02Z,   0.40,  -2.09,  -2.78,  99.90,  -1.09,
05/17 03Z,   0.40,  -3.32,  -3.84,  99.90,  -0.92,  (min)
05/17 04Z,   0.30,  -3.34,  -3.76,  99.90,  -0.72,
05/17 05Z,   0.40,  -2.07,  -2.34,  99.90,  -0.67,
05/17 06Z,   0.60,   0.18,   0.07,  99.90,  -0.71,
05/17 07Z,   0.60,   2.90,   2.80,  99.90,  -0.70,
05/17 08Z,   0.70,   5.37,   5.32,  99.90,  -0.75,
05/17 09Z,   0.70,   6.90,   6.90,  99.90,  -0.70,
05/17 10Z,   0.80,   7.04,   6.99,  99.90,  -0.85,  (max)
05/17 11Z,   0.80,   5.67,   5.72,  99.90,  -0.75,
05/17 12Z,   1.00,   3.02,   3.02,  99.90,  -1.00,
05/17 13Z,   1.10,  -0.43,  -0.25,  99.90,  -0.92,
05/17 14Z,   1.10,  -4.03,  -3.79,  99.90,  -0.86,
05/17 15Z,   1.30,  -6.97,  -6.73,  99.90,  -1.06,
05/17 16Z,   1.00,  -8.57,  -8.34,  99.90,  -0.77,
05/17 17Z,   0.90,  -8.52,  -8.38,  99.90,  -0.76,  (min)
05/17 18Z,   1.20,  -6.95,  -6.81,  99.90,  -1.06,
05/17 19Z,   1.20,  -4.30,  -4.25,  99.90,  -1.15,
05/17 20Z,   1.20,  -1.23,  -1.32,  99.90,  -1.29,
05/17 21Z,   0.80,   1.51,   1.31,  99.90,  -1.00,
05/17 22Z,   0.90,   3.31,   3.03,  99.90,  -1.18,
05/17 23Z,   1.00,   3.86,   3.45,  99.90,  -1.41,  (max)
05/18 00Z,   1.10,   3.20,   2.83,  99.90,  -1.47,
05/18 01Z,   0.90,   1.61,   1.31,  99.90,  -1.20,
05/18 02Z,   0.80,  -0.44,  -0.77,  99.90,  -1.13,
05/18 03Z,   0.80,  -2.28,  -2.52,  99.90,  -1.04,
05/18 04Z,   0.70,  -3.25,  -3.40,  99.90,  -0.85,  (min)
05/18 05Z,   0.70,  -2.96,  -3.02,  99.90,  -0.76,
05/18 06Z,   0.90,  -1.41,  -1.50,  99.90,  -0.99,
05/18 07Z,   0.90,   1.02,   0.89,  99.90,  -1.03,
05/18 08Z,   0.80,   3.72,   3.56,  99.90,  -0.96,
05/18 09Z,   0.70,   6.00,   5.80,  99.90,  -0.90,
05/18 10Z,   0.60,   7.20,   6.84,  99.90,  -0.96,  (max)
05/18 11Z,   0.50,   6.94,   6.54,  99.90,  -0.90,
05/18 12Z,   0.50,   5.21,   4.78,  99.90,  -0.93,
05/18 13Z,   0.50,   2.31,   1.92,  99.90,  -0.89,
05/18 14Z,   0.50,  -1.27,  -1.64,  99.90,  -0.87,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 15Z,   0.60,  -4.82,  99.90,  -5.11,  -0.89,
05/18 16Z,   0.70,  -7.53,  99.90,  -7.75,  -0.92,
05/18 17Z,   0.70,  -8.80,  99.90,  -9.04,  -0.94,  (min)
05/18 18Z,   0.80,  -8.41,  99.90,  -8.57,  -0.96,
05/18 19Z,   0.80,  -6.58,  99.90,  -6.76,  -0.99,
05/18 20Z,   0.70,  -3.81,  99.90,  -4.12,  -1.01,
05/18 21Z,   0.70,  -0.78,  99.90,  -1.11,  -1.03,
05/18 22Z,   0.60,   1.79,  99.90,   1.33,  -1.06,
05/18 23Z,   0.60,   3.35,  99.90,   2.87,  -1.08,
05/19 00Z,   0.50,   3.68,  99.90,   3.08,  -1.10,  (max)
05/19 01Z,   0.60,   2.88,  99.90,   2.35,  -1.12,
05/19 02Z,   0.60,   1.24,  99.90,   0.70,  -1.15,
05/19 03Z,   0.60,  -0.72,  99.90,  -1.27,  -1.15,
05/19 04Z,   0.70,  -2.37,  99.90,  -2.81,  -1.15,
05/19 05Z,   0.80,  -3.07,  99.90,  -3.42,  -1.15,  (min)
05/19 06Z,   0.80,  -2.52,  99.90,  -2.86,  -1.15,
05/19 07Z,   0.90,  -0.82,  99.90,  -1.07,  -1.15,
05/19 08Z,   0.90,   1.60,  99.90,   1.35,  -1.15,
05/19 09Z,   0.90,   4.14,  99.90,   3.89,  -1.15,
05/19 10Z,   0.90,   6.13,  99.90,   5.88,  -1.15,
05/19 11Z,   0.90,   6.99,  99.90,   6.74,  -1.15,  (max)
05/19 12Z,   0.80,   6.43,  99.90,   6.08,  -1.15,
05/19 13Z,   0.70,   4.51,  99.90,   4.07,  -1.15,
05/19 14Z,   0.60,   1.56,  99.90,   1.01,  -1.15,
05/19 15Z,   0.60,  -1.92,  99.90,  -2.47,  -1.15,
05/19 16Z,   0.50,  -5.24,  99.90,  -5.88,  -1.15,
05/19 17Z,   0.50,  -7.62,  99.90,  -8.27,  -1.15,
05/19 18Z,   0.50,  -8.55,  99.90,  -9.20,  -1.15,  (min)
05/19 19Z,   0.50,  -7.90,  99.90,  -8.55,  -1.15,
05/19 20Z,   0.50,  -5.97,  99.90,  -6.62,  -1.15,
05/19 21Z,   0.60,  -3.26,  99.90,  -3.81,  -1.15,
05/19 22Z,   0.60,  -0.43,  99.90,  -0.97,  -1.15,
05/19 23Z,   0.60,   1.88,  99.90,   1.33,  -1.15,
05/20 00Z,   0.60,   3.19,  99.90,   2.65,  -1.15,
05/20 01Z,   0.70,   3.36,  99.90,   2.92,  -1.15,  (max)
05/20 02Z,   0.60,   2.51,  99.90,   1.96,  -1.15,
05/20 03Z,   0.50,   0.93,  99.90,   0.28,  -1.15,
05/20 04Z,   0.40,  -0.88,  99.90,  -1.63,  -1.15,
05/20 05Z,   0.50,  -2.30,  99.90,  -2.95,  -1.15,
05/20 06Z,   0.60,  -2.78,  99.90,  -3.33,  -1.15,  (min)
05/20 07Z,   0.40,  -2.10,  99.90,  -2.85,  -1.15,
05/20 08Z,   0.20,  -0.43,  99.90,  -1.37,  -1.15,
05/20 09Z,   0.50,   1.82,  99.90,   1.17,  -1.15,
05/20 10Z,   0.80,   4.08,  99.90,   3.73,  -1.15,
05/20 11Z,   0.50,   5.74,  99.90,   5.10,  -1.15,
05/20 12Z,   0.40,   6.33,  99.90,   5.58,  -1.15,  (max)
05/20 13Z,   0.70,   5.61,  99.90,   5.16,  -1.15,
05/20 14Z,   0.90,   3.70,  99.90,   3.45,  -1.15,
05/20 15Z,   0.70,   0.89,  99.90,   0.44,  -1.15,
05/20 16Z,   0.60,  -2.32,  99.90,  -2.87,  -1.15,
05/20 17Z,   0.80,  -5.27,  99.90,  -5.62,  -1.15,
05/20 18Z,   0.90,  -7.29,  99.90,  -7.54,  -1.15,
05/20 19Z,   0.80,  -7.93,  99.90,  -8.27,  -1.15,  (min)
05/20 20Z,   0.80,  -7.15,  99.90,  -7.50,  -1.15,
05/20 21Z,   1.00,  -5.26,  99.90,  -5.41,  -1.15,
05/20 22Z,   1.10,  -2.75,  99.90,  -2.79,  -1.15,
05/20 23Z,   1.10,  -0.19,  99.90,  -0.24,  -1.15,
05/21 00Z,   1.10,   1.84,  99.90,   1.80,  -1.15,
05/21 01Z,   1.20,   2.96,  99.90,   3.01,  -1.15,
05/21 02Z,   1.20,   3.05,  99.90,   3.10,  -1.15,  (max)
05/21 03Z,   1.20,   2.23,  99.90,   2.28,  -1.15,
05/21 04Z,   1.30,   0.77,  99.90,   0.93,  -1.15,
05/21 05Z,   1.30,  -0.86,  99.90,  -0.71,  -1.15,
05/21 06Z,   1.30,  -2.10,  99.90,  -1.95,  -1.15,
05/21 07Z,   1.20,  -2.47,  99.90,  -2.42,  -1.15,  (min)
05/21 08Z,   1.20,  -1.82,  99.90,  -1.77,  -1.15,
05/21 09Z,   0.90,  -0.33,  99.90,  -0.57,  -1.15,
05/21 10Z,   1.20,   1.63,  99.90,   1.68,  -1.15,
05/21 11Z,   0.90,   3.55,  99.90,   3.30,  -1.15,
05/21 12Z,   0.70,   4.92,  99.90,   4.48,  -1.15,
05/21 13Z,   0.60,   5.34,  99.90,   4.79,  -1.15,  (max)
05/21 14Z,   0.90,   4.63,  99.90,   4.38,  -1.15,
05/21 15Z,   0.90,   2.88,  99.90,   2.64,  -1.15,
05/21 16Z,   0.50,   0.38,  99.90,  -0.27,  -1.15,
05/21 17Z,   0.60,  -2.44,  99.90,  -2.99,  -1.15,
05/21 18Z,   0.60,  -4.99,  99.90,  -5.54,  -1.15,
05/21 19Z,   0.70,  -6.65,  99.90,  -7.10,  -1.15,
05/21 20Z,   0.60,  -7.09,  99.90,  -7.63,  -1.15,  (min)
05/21 21Z,   0.60,  -6.30,  99.90,  -6.84,  -1.15,
05/21 22Z,   0.70,  -4.56,  99.90,  -5.01,  -1.15,
05/21 23Z,   0.60,  -2.30,  99.90,  -2.85,  -1.15,
05/22 00Z,   0.50,  -0.02,  99.90,  -0.67,  -1.15,
05/22 01Z,   0.50,   1.79,  99.90,   1.14,  -1.15,
05/22 02Z,   0.60,   2.78,  99.90,   2.23,  -1.15,  (max)
05/22 03Z,   0.50,   2.86,  99.90,   2.22,  -1.15,
05/22 04Z,   0.50,   2.13,  99.90,   1.48,  -1.15,
05/22 05Z,   0.50,   0.81,  99.90,   0.16,  -1.15,
05/22 06Z,   0.60,  -0.69,  99.90,  -1.24,  -1.15,